#2D77BB#2D77BB

#2D77BB is a mid, vivid cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.128 H 249.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2D77BB
RGB	rgb(45, 119, 187)
HSL	hsl(209, 61%, 45%)
HSV	hsv(209, 76%, 73%)
CMYK	cmyk(75.9%, 36.4%, 0%, 26.7%)
CIE-LAB	lab(48.68, 0.94, -42.23)
CIE-LCH	lch(48.68, 42.25, 271.27°)
OKLab	oklab(55.69% -0.0444 -0.1202)
OKLCH	oklch(55.69% 0.128 249.7)
XYZ	xyz(16.6453, 17.3375, 49.4733)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D77BB #BB712D

analogous

#2DBBB8 #2D77BB #2D30BB

triadic

#2D77BB #BB2D77 #77BB2D

tetradic

#2D77BB #B82DBB #BB712D #30BB2D

square

#2D77BB #B82DBB #BB712D #30BB2D

split-complementary

#2D77BB #BB2D30 #BBB82D

monochromatic

#153858 #21588A #2D77BB #5095D5 #82B3E1

Accessibility & contrast

On white

4.70

#2D77BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#2D77BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D77BB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D77BB	#FFFFFF	#000000	##FFFFFF
##2D77BB	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577BBE

Deuteranopia (green-blind)

#426EBA

Tritanopia (blue-blind)

#008790

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2d77bb;
/* rgb */ color: rgb(45, 119, 187);
/* oklch */ color: oklch(55.7% 0.128 249.7);

Tailwind

colors: {
  custom: {
    50: '#7a9dd0',
    500: '#2d77bb',
    950: '#000000',
  },
}

SCSS

$custom: #2d77bb;
$custom-light: #7a9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d77bb",
  "rgb": {
    "r": 45,
    "g": 119,
    "b": 187
  },
  "hsl": {
    "h": 208.732,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55693,
    "c": 0.12816,
    "h": 249.7
  },
  "luminance": 0.17339
}

Semantic roles & 50–950 ramp

primary

#2D77BB

secondary

#CAA07A

accent

#9143E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2D77BB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →